Retrosutra's YouTube videos comparing retro video game ports, clones, remasters, etc.

Retrosutra's YouTube channel shows many videos comparing video game ports, clones, remasters, etc. -- "... When I was a child, I loved watching the platforms of that time (8 and 16 bits generations) run the same video game to discover their differences, compare them and see which was the best version. 30 years after, we made retrosutra youtube channel, the best place where you can discover many different ports of the same game."

Joy of Computer Gaming (JCG)'s YouTube Playlist

Joy of Computer Gaming (JCG)'s YouTube Playlist shows many videos about various old/retro computer games.

2 BBS Docs.

BBS: The Documentary (older and free to watch online as shown in here and here) and Back to the BBS - The Return to being online (YouTube video playlist) (recent as of 202x) are two great long documentaries on old Bulletin Board Systems (BBSes) that this old fart insect grew up before the Internet blew up to kill it.